Fireplace unit



FIG. 1 is a front perspective view of a fireplace unit;

FIG. 2 is a front elevational view of the fireplace unit of FIG. 1;

FIG. 3 is a rear elevational view of the fireplace unit of FIG. 1;

FIG. 4 is a left side elevational view of the fireplace unit of FIG. 1;

FIG. 5 is a right side elevational of the fireplace unit of FIG. 1; and,

FIG. 6 is a top plan view of the fireplace unit of FIG. 1.

The broken lines are included for the purpose of illustrating portions of the fireplace unit that form no part of the claimed design. 

CLAIM The ornamental design for a fireplace unit, as shown and described. 